122423215021 has 8 divisors (see below), whose sum is σ = 123940511744. Its totient is φ = 120914564400.

The previous prime is 122423215003. The next prime is 122423215037. The reversal of 122423215021 is 120512324221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122423215021 - 2⁵ = 122423214989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122423215001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2133030 + ... + 2189671.

It is an arithmetic number, because the mean of its divisors is an integer number (15492563968).

Almost surely, 2^122423215021 is an apocalyptic number.

It is an amenable number.

122423215021 is a deficient number, since it is larger than the sum of its proper divisors (1517296723).

122423215021 is a wasteful number, since it uses less digits than its factorization.

122423215021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4323051.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 122423215021 its reverse (120512324221), we get a palindrome (242935539242).

The spelling of 122423215021 in words is "one hundred twenty-two billion, four hundred twenty-three million, two hundred fifteen thousand, twenty-one".